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Sanjeev Kumar

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Publications associées (82)

Chromatin three-dimensional interactions mediate genetic effects on gene expression

Philipp Bucher, David Hacker, Giovanna Ambrosini, Sanjeev Kumar

Studying the genetic basis of gene expression and chromatin organization is key to characterizing the effect of genetic variability on the function and structure of the human genome. Here we unravel how genetic variation perturbs gene regulation using a da ...

American Association for the Advancement of Science2019

SNP2TFBS-a database of regulatory SNPs affecting predicted transcription factor binding site affinity

Philipp Bucher, Giovanna Ambrosini, Sanjeev Kumar

NATURE PUBLISHING GROUP2018

Local regulatory networks across two tissues and applications to analyze rare non-coding variants

Philipp Bucher, Giovanna Ambrosini, Sanjeev Kumar

NATURE PUBLISHING GROUP2018

Observation of the rare B-s(0)->mu(+)mu(-) decay from the combined analysis of CMS and LHCb data

Horst Vogel, Christoph Frei, Peter Clarke, Jean Wicht, Alessandro Mapelli, Aurelio Bay, Minh Tâm Tran, Andrea Rizzi, Marc-Olivier Bettler, Cédric Potterat, Matthias Finger, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Olivier Schneider, Pierre Jaton, Hans Dijkstra, Julien Rouvinet, Charles Dietz, João Miguel das Neves Duarte, Frédéric Guillaume Dupertuis, Frédéric Teubert, Gerhard Raven, Quentin Python, Bastien Luca Muster, Joo Yeon Kim, Alexis Kalogeropoulos, Chitsanu Khurewathanakul, Frédéric Blanc, Matthew Needham, Lesya Shchutska, Liang Sun, Alexandre Aubin, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Wei Sun, Barinjaka Rakotomiaramanana, Xiaoxue Han, Qian Wang, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

The Physics of the B Factories

François Bianchi, Albert Perez, Guillaume Wagner, Christian Jacoby, Jean Wicht, Aurelio Bay, Marc Kunze, Patricia Besson, Remi Léandre Albert Louvot, Jérôme Krebs, Nicolas Zwahlen, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Gerhard Raven, Mingkui Wang, Stewart Cole, Yan Yan, Nicolas Berger, Frédéric Blanc, Fang Liu, Liang Sun, Chao Wang, Yixing Chen, Yuan Yuan, Songmei Wu, Greig Alan Cowan, Doohyun Kim, Varun Sharma, Sourav Sen, Vladislav Balagura, Zhirui Xu, Sanjeev Kumar, Martin George Friedl, Yu Zheng, Bingqing Cheng, Maurizio Martinelli, Dipanwita Dutta, Junqiu Liu, Jian Wang, Ho Ling Li, Jun Yong Kim, Lei Zhang, , , , , , , , , , , , , , ,

Local tuning of photonic crystal nanocavity modes by laser-assisted oxidation

Laurent Balet, Sanjeev Kumar

The authors demonstrate a sample method to achieve local tuning of optical modes in GaAs photonic crystal nanocavities by continuous wave laser-assisted oxidation in air atmosphere. By irradiation with a focused laser beam at power levels of a few tells of ...

American Institute of Physics2009

Wireless Sensor Networking for Rain-fed Farming Decision Support

Jean-Pierre Hubaux, Jacques Panchard, Panagiotis Papadimitratos, Sanjeev Kumar

Wireless sensor networks (WSNs) can be a valuable decision- support tool for farmers. This motivated our deployment of a WSN system to support rain-fed agriculture in India. We defined promising use cases and resolved technical challenges throughout a two- ...

2008

Study of decay mechanisms in B-→Λc+p̄π- decays and observation of low-mass structure in the Λc+p̄ system

Sun Hee Kim, Tagir Aushev, Stewart Cole, Sanjeev Kumar

Using a sample of 152×106 BB̄ pairs accumulated with the Belle detector at the KEKB e+e- collider, we study the decay mechanism of three-body charmed decay B-→Λc+p̄π-. The intermediate two-body decay B-→Σc(2455)0p̄ is observed for the first time with a bra ...

2006

Charge asymmetry of same-sign dileptons in B0-B¯0 mixing

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Chao Wang, Sanjeev Kumar, Lei Zhang, Jing Li

American Physical Society2006

Search for lepton flavor violating decays τ- → ℓ- π0, ℓ- η, ℓ- η′

Olivier Schneider, Sun Hee Kim, Chao Wang, Sanjeev Kumar, Lei Zhang, Jing Li

We have searched for lepton flavor violating semileptonic τ- decays using a data sample of 153.8 fb-1 accumulated with the Belle detector at the KEKB e+e- collider. For the six decay modes studied, the observed yield is compatible with the estimated backgr ...

2005

Time-dependent CP-violating asymmetries in b→sq q transitions

Aurelio Bay, Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Chao Wang, Sanjeev Kumar, Lei Zhang, Jing Li

We present new measurements of CP-violation parameters in B0→K0, K+K-KS0, f0(980)KS0, η′KS0, ωKS0, and KS0π0 decays based on a sample of 275×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. ...

American Physical Society2005

Measurement of γγ → pp̄ production at Belle

Aurelio Bay, Sun Hee Kim, Tagir Aushev, Stewart Cole, Sanjeev Kumar

A high precision study of the process γγ→pp̄ has been performed using a data sample of 89 fb-1 collected with the Belle detector at the KEKB e+e- collider. The cross section of pp̄ production has been measured at two-photon center-of-mass (c.m.) energies b ...

2005

Measurement of the time-dependent CP-violating asymmetry in BO→KSOπOγ decays

Aurelio Bay, Sun Hee Kim, Tagir Aushev, Stewart Cole, Sanjeev Kumar, Jing Li

We present a new measurement of CP-violation parameters in B0→KS0π0γ decay based on a sample of 275×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One of the B mesons is fully reconstruct ...

2005

Observation of B0→π0π0

Aurelio Bay, Sun Hee Kim, Tagir Aushev, Sanjeev Kumar, Ji Hyun Kim, Jing Li

We report the observation of the decay B0→π0π0, using a 253fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB e+e- collider. The measured branching fraction is B(B0→π0π0)= (2.3-0.5-0.3+0.4+0.2)×10-6, with a significance o ...

2005

Measurement of the branching fraction and CP asymmetry in B+ ρ +π0

Aurelio Bay, Tagir Aushev, Sanjeev Kumar, Ji Hyun Kim, Jing Li

We report a measurement of the branching fraction for the decay B + → ρ+π0 based on a 140 fb -1 data sample collected with the Belle detector at the KEKB asymmetric e+e- collider. We measure the branching fraction B(B+ →+π0) = (13.2 ± 2.3(stat)-1.9 +(syst) ...

2005

Measurement of polarization and triple-product correlations in B→K* decays

Sun Hee Kim, Tagir Aushev, Sanjeev Kumar, Jing Li

We present measurements of decay amplitudes and triple-product correlations in B→K* decays based on 253fb-1 of data recorded at the Υ(4S) resonance with the Belle detector at the KEKB e+e- storage ring. The decay amplitudes for the three different helicity ...

2005

Determination of |Vub| from measurements of the inclusive charmless semileptonic partial rates of B mesons using full reconstruction tags

Aurelio Bay, Sun Hee Kim, Stewart Cole, Sanjeev Kumar, Jing Li

We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element data collected by the Belle detector at the KEKB e+e-asymmetric collider. Events are tagged by fully reconstructing one of the B mesons, produced in pairs from Υ(4S). The signal for b ...

2005

Measurement of Time-Dependent CP-Violating Asymmetries in B0→Ks0Ks0Ks0 Decay

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Sanjeev Kumar, Lei Zhang

2005

Observation of B+→pΛ¯γ

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Sanjeev Kumar, Lei Zhang, Jing Li

2005

Search for B0→pp¯, B0→ΛΛ¯, and B+→pΛ¯ at Belle

Olivier Schneider, Sun Hee Kim, Tagir Aushev, Mingkui Wang, Stewart Cole, Chao Wang, Sanjeev Kumar, Lei Zhang, Jing Li

American Physical Society2005

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The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested experimentally. The probabilitie ...

Nature Publishing Group2015

Springer2014